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https://issues.apache.org/jira/browse/TAJO-1383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14360024#comment-14360024
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ASF GitHub Bot commented on TAJO-1383:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/404#issuecomment-78837086
This seems to be a performance improved issue. Intuitively, the changes
look better than before. Nevertheless, it would be great if you share the
benchmark results.
> Improve broadcast table cache
> -----------------------------
>
> Key: TAJO-1383
> URL: https://issues.apache.org/jira/browse/TAJO-1383
> Project: Tajo
> Issue Type: Improvement
> Components: physical operator
> Affects Versions: 0.8.0, 0.9.0, 0.10.0
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Labels: performance
> Attachments: TAJO-1383.patch
>
>
> Currently, broadcast implementation keep a tuples on scan operator and It
> create a duplicated table cache in memory.
> We should improve it
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